CVE-2020-21525
CVE-2020-21525 is a high-severity vulnerability in Halo with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 2% (77th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-22
- Affected product: Halo
- Published:
- Last modified:
Description
Halo V1.1.3 is affected by: Arbitrary File reading. In an interface that reads files in halo v1.1.3, a directory traversal check is performed on the input path parameter, but the startsWith function can be used to bypass it.
Frequently asked questions
- What is CVE-2020-21525?
- Halo V1.1.3 is affected by: Arbitrary File reading. In an interface that reads files in halo v1.1.3, a directory traversal check is performed on the input path parameter, but the startsWith function can be used to bypass it.
- How severe is CVE-2020-21525?
- CVE-2020-21525 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2020-21525 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-21525?
- CVE-2020-21525 affects Halo. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-21525?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2020-21525 published?
- CVE-2020-21525 was published on 2020-09-30 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:halo:halo:1.1.3:*:*:*:*:*:*:*
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